Lisa, You may have to go to a university and look up studies in the library there as your DNA question is going beyond that of the typical DNA used for genealogical purposes.
Katherine Borges may also know where to locate these medical type studies. Her email is kvjjmmborges at msn.com Cheri Mello Listowner, Azores-Gen Researching: Vila Franca, Ponta Garca, Ribeira Quente, Ribeira das Tainhas, Achada -- To unsubscribe from this group, send email to azores+unsubscr...@googlegroups.com. Follow the confirmation directions when they arrive. For more options, such as changing to List, Digest, Abridged, or No Mail (vacation) mode, log into your Google account and visit this group at http://groups.google.com/group/Azores. Click in the blue area on the right that says "Join this group" and it will take you to "Edit my membership."